39720477207420 has 288 divisors, whose sum is σ = 132313979685888. Its totient is φ = 9967837750272.

The previous prime is 39720477207409. The next prime is 39720477207479. The reversal of 39720477207420 is 2470277402793.

39720477207420 is a `hidden beast` number, since 3 + 9 + 7 + 2 + 0 + 4 + 7 + 7 + 207 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 806924929 + ... + 806974151.

It is an arithmetic number, because the mean of its divisors is an integer number (459423540576).

Almost surely, 2^{39720477207420} is an apocalyptic number.

39720477207420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39720477207420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66156989842944).

39720477207420 is an abundant number, since it is smaller than the sum of its proper divisors (92593502478468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39720477207420 is a wasteful number, since it uses less digits than its factorization.

39720477207420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59031 (or 59017 counting only the distinct ones).

The product of its (nonzero) digits is 8297856, while the sum is 54.

The spelling of 39720477207420 in words is "thirty-nine trillion, seven hundred twenty billion, four hundred seventy-seven million, two hundred seven thousand, four hundred twenty".